Home / 361,112,539.94-541,498,053.71-139,887,491.25

Finding the Fourth Proportional to 361,112,539.94, 541,498,053.71 and 139,887,491.25

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Solution

The fourth proportional to 361,112,539.94, 541,498,053.71 and 139,887,491.25 is: 209,765,089.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,112,539.94 : 541,498,053.71 = 139,887,491.25 : x
  2. Step 2: Convert to fraction form
    361,112,539.94/541,498,053.71 = 139,887,491.25/x
  3. Step 3: Cross multiply
    361,112,539.94x = 541,498,053.71 × 139,887,491.25
  4. Step 4: Simplify right side
    361,112,539.94x = 75,748,804,248,799,200
  5. Step 5: Solve for x
    x = 75,748,804,248,799,200/361,112,539.94
  6. Step 6: Final answer
    x = 209,765,089.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.